Vacuum ultraviolet (VUV, 100–200 nm) light sources are indispensable for advanced spectroscopy, quantum research, and semiconductor lithography. Although second harmonic generation (SHG) using ...
Two 16-year-old girls in northern Texas were also killed in the aftermath of the winter storm when their sled, pulled by a Jeep, crashed into a tree, the police said. By Christine Hauser Five children ...
Cheyenne Hangaman says she tried to save her three children by lifting them out of the water Three young brothers have died in Bonham, north Texas, after falling through ice on a private pond on ...
UCLA researchers have developed a mineral sunscreen formulation that significantly reduces the white, chalky cast that keeps many people from wearing sun protection daily. For decades, dermatologists ...
Abstract: In this work, we fabricated and characterized 4 × 4 parallel flip-chip AlGaN-based micro-LED arrays with varied mesa diameters of 120 µm, 100 µm, 80 µm, and 60 µm. The reported micro-LED ...
The City of Lethbridge is continuing to make improvements to its Water Treatment Plant. They say upgrading its ultraviolet (UV) disinfection system is an essential step that keeps the community’s ...
Minimal sun protection required for normal activity. Wear sunglasses on bright days. If outside for more than one hour, cover up and use sunscreen. Reflection off snow can nearly double UV strength, ...
Tetra Technologies Inc. TETRA Technologies, Inc. is an energy services and solutions company, which focuses on developing environmentally conscious services and solutions that help make people’s lives ...
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